Hexamethylenetetramine tau tshawb pom los ntawm Aleksandr Butlerov hauv xyoo 1859. Nws tau npaj ua lag luam los ntawm sib txuas formaldehyde thiab ammonia. Cov tshuaj tiv thaiv tuaj yeem ua rau theem roj thiab hauv kev daws.
Yuav ua li cas yog txoj kev rau kev npaj ntawm Urotropin?
- Nws yog npaj ua lag luam los ntawm condensation cov tshuaj tiv thaiv ntawm formaldehyde thiab ammonia, feem ntau hauv 4: 6 piv. 4 moles ntawm formaldehyde reacts nrog 6 moles ntawm ammonia muab 1 moles ntawm urotropine thiab 6 moles dej. >
hexamethylenetetramine siv rau dab tsi?
Hexamethylenetetramine yog feem ntau siv hauv kev tsim khoom hmoov lossis kua npaj ntawm phenolic resins thiab phenolic resin molding tebchawqhov twg nws ntxiv los ua cov khoom tawv tawv.
Hexamine synthesis. Ammonia and formaldehyde
